Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319088 | Selective gas phase chlorination of polychlorinated .beta.-picolines to produce 2,3,5,6-tetrachloropyridine and its precursors | Clark Allphin, Arnold D. Harley | 1994-06-07 |